ENZYMES INVOLVED IN ALCOHOLIC FERMENTATION 333 



S 



/ \ II II 



N— C— NH2 HC C— CH2— CH2— O— P— O— P— OH 



CH3— C C— CH2 — N- 



I I I 



N=CH CI 



-C— CH3 



OH OH 



Diphosphothiamin, Cocarboxylase 



The structures of the components of the adenylic acid system as 

 proposed are as follows. 



N=C— NH2 



I I 

 HC C— N 



\ 



CH H H H H OH 



/ I I I I I 



N— C— N C— C — C— C— CH2— 0— P— OH 



I I II 



OH OH O 







Adenosinemonophosphate (AMP), Adenylic Acid 



N=C— NH2 



I I 

 HC C— N 



\ 



CH H H H H OH OH 



N— C— N— C— C — C— C— CH2— O— P— 0— P— OH 



II II II 



OH OH 



O— — ' 



Adenosinediphosphate (ADP) 



N=C— NH2 



I I 

 HC C— N 



\ 



CH H H H H 



OH OH 



OH 



N— C— N- 



C— C — C— C— CH2— O— P— 0— P— O— P— OH 



OH OH 006 



1 



Adenosinetriphosphate (ATP) 



Inhibitors for some of the above-described enzymes are known, 

 lodoacetic acid is known to inhibit the action of diphosphoglycer- 



